CVE-2024-0605

Name: CVE-2024-0605
Creator: NVD / NIST
Published: 2024-01-22T19:15:09.423+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.39%

Last modified Jun 17, 2026

CVE-2024-0605 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Using a javascript: URI with a setTimeout race condition, an attacker can execute unauthorized scripts on top origin sites in urlbar. This bypasses security measures, potentially leading to arbitrary code execution or unauthorized actions within the user's loaded webpage. EPSS estimates a 0.39% chance of exploitation in the next 30 days.

Description

Using a javascript: URI with a setTimeout race condition, an attacker can execute unauthorized scripts on top origin sites in urlbar. This bypasses security measures, potentially leading to arbitrary code execution or unauthorized actions within the user's loaded webpage. This vulnerability affects Focus for iOS < 122.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability

0.39%

30.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Mozilla	Firefox Focus	< 122.0

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1855575Issue Tracking, Permissions Required
https://www.mozilla.org/security/advisories/mfsa2024-03/Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1855575Issue Tracking, Permissions Required
https://www.mozilla.org/security/advisories/mfsa2024-03/Vendor Advisory

Timeline

Published: Jan 22, 2024
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2024-0605?

How severe is CVE-2024-0605?

CVE-2024-0605 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.39% probability of exploitation in the next 30 days.

How do I fix CVE-2024-0605?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-0605?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST